Since Addit! Pro was designed for older sims like FSX, newer simulators like MSFS 2020 often use different management tools such as MSFS Addons Linker. Safety Warning
If you previously purchased Addit! Pro, ensure you have backed up your original confirmation email. The software typically allows for offline activation if you have your unique key and the email address used during purchase.
While some legacy sites still offer "Buy Now" links, users have reported paying for licenses but never receiving their activation codes because the automated fulfillment systems are down.
Automatically archives unused add-ons into compressed files to save hard drive space while keeping them ready for quick re-installation. How to Use Addit! Pro Without a New Key
A more powerful alternative to the default FSX or Prepar3D scenery managers, allowing for easy updates to the scenery library.
Install new aircraft and scenery directly from ZIP or RAR archives without manual unzipping.
If you are searching for a new registration key, it is important to understand the current state of the software:
For those who already own a key or are using the trial version, Addit! Pro offers several powerful tools for managing older flight simulators:
Some forums suggest reaching out through the developer's last known contact pages, though responses are now rare.
View and modify configuration files, assign thumbnails to aircraft, and fix broken aircraft.cfg entries.